1. Department of Biochemistry, Nihon University School of Dentistry at Matsudo, Chiba, Japan.
2. Department of Biochemistry, Nihon University School of Dentistry at Matsudo, Chiba, Japan; Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba, Japan.
3. Department of Biochemistry, Nihon University School of Dentistry at Matsudo, Chiba, Japan; Graduate Institute of Oral Rehabilitation Sciences and School of Dentistry, Taipei Medical University, Taipei, Taiwan.